//speech_server的测试客户端实现
//1. 进行服务发现--发现speech_server的服务器节点地址信息并实例化的通信信道
//2. 读取语音文件数据
//3. 发起语音识别RPC调用

#include "speech.h"
#include "etcd.hpp"
#include "channel.hpp"
#include <gflags/gflags.h>
#include <thread>
#include <cctype>

#include "speech.pb.h"

#include <fstream>
#include <stdexcept>

// std::string readFile(const std::string& filePath) {
//     std::ifstream file("/home/xzy/XZY/Correspondence/chatsystem-cpp/speech/test/16k.pcm");
    
//     if (!file.is_open()) {
//         throw std::runtime_error("无法打开文件: " + filePath);
//     }
    
//     std::string content;
//     std::string line;
    
//     // 使用getline逐行读取，保留换行符
//     while (std::getline(file, line)) {
//         content += line + '\n';
//     }
    
//     // 如果文件不是以换行符结尾，移除最后添加的多余换行符
//     if (!content.empty() && content.back() == '\n') {
//         content.pop_back();
//     }
    
//     return content;
// }

DEFINE_bool(run_mode, false, "程序的运行模式，false-调试； true-发布；");
DEFINE_string(log_file, "", "发布模式下，用于指定日志的输出文件");
DEFINE_int32(log_level, 0, "发布模式下，用于指定日志输出等级");

DEFINE_string(etcd_host, "http://127.0.0.1:2379", "服务注册中心地址");
DEFINE_string(base_service, "/service", "服务监控根目录");
DEFINE_string(speech_service, "/service/speech_service", "服务监控根目录");

int main(int argc, char *argv[])
{   
    google::ParseCommandLineFlags(&argc, &argv, true);
    InitLog(FLAGS_run_mode,FLAGS_log_file,FLAGS_log_level);

//     std::string file_content = readFile("./16k.pcm");
//    // aip::get_file_content("16k.pcm", &file_content);
//     std::cout << file_content.size() << std::endl;

    
    //1. 先构造Rpc信道管理对象
    auto sm = std::make_shared<xu::ServiceManage>();
    sm->AddFollow(FLAGS_speech_service);
    auto put_cb = std::bind(&xu::ServiceManage::onServiceOnline, sm.get(), std::placeholders::_1, std::placeholders::_2);
    auto del_cb = std::bind(&xu::ServiceManage::onServiceOffline, sm.get(), std::placeholders::_1, std::placeholders::_2);
    //2. 构造服务发现对象
    xu::Discovery::ptr dclient = std::make_shared<xu::Discovery>(FLAGS_etcd_host, FLAGS_base_service, put_cb, del_cb);
    //3. 通过Rpc信道管理对象，获取提供Echo服务的信道
    auto channel = sm->Choose(FLAGS_speech_service);
    if (!channel) {
        std::this_thread::sleep_for(std::chrono::seconds(1));
        return -1;
    }
    //读取语音文件数据
    std::string file_content;
    aip::get_file_content("/home/xzy/XZY/Correspondence/chatsystem-cpp/speech/test/16k.pcm", &file_content);
    std::cout << file_content.size() << std::endl;

    //4. 发起EchoRpc调用
    xu::SpeechService_Stub stub(channel.get());
    xu::SpeechRecognitionReq req;
    req.set_speech_content(file_content);
    req.set_request_id("111111");

    brpc::Controller *cntl = new brpc::Controller();
    xu::SpeechRecognitionRsp *rsp = new xu::SpeechRecognitionRsp();
    stub.SpeechRecognition(cntl, &req, rsp, nullptr);
    if (cntl->Failed() == true) {
        std::cout << "Rpc调用失败：" << cntl->ErrorText() << std::endl;
        delete cntl;
        delete rsp;
        std::this_thread::sleep_for(std::chrono::seconds(1));
        return -1;
    }
    if (rsp->success() == false) {
        std::cout << rsp->errmsg() << std::endl;
        return -1;
    }
    std::cout << "收到响应: " << rsp->request_id() << std::endl;
    std::cout << "收到响应: " << rsp->recognition_result() << std::endl;
    return 0;
}
